Oba

Oba ma ọ bụ OBA nwere ike na-arutu ihe ndị a aka:

Oba (eze), aha ndi Bini na Yoruba na-akpọ ụfọdụ ndị eze ha
Oba (orisha), mmụọ a ma ama n'okpukpe ọdịnala Africa dị iche iche na okpukpe Afro-America.
Oba, aha nna Japan
Oba: Samurai Ikpeazụ, ihe nkiri Japanese nke 2011
Oba Chandler (1946 – 2011), onye America n'egbu mmadụ, e gburu na 2011

OBA

Office Business Applications, ngwa ọrụ nke na-eji ngwa n'ime sistemụ Microsoft Office
Oklahoma Bible Academy, ụlọ akwụkwọ sekọndrị nke Ndị Kraịst na Enid, Oklahoma, US
Oklahoma Bankers Association, otu azụmaahịa na Oklahoma, US
Oklahoma Bar Association, otu ndi ọka iwu steeti (òtù iwu) nke Oklahoma, US
On Base Average, ọnụ ọgụgụ baseball
Otu Bermuda Alliance, otu ndọrọ ndọrọ ọchịchị Bermuda
Naanị ụmụ nwoke na-ada ụda, ndị Welsh nwoke olu ukwe
Openbare Bibliotheek Amsterdam, ọbá akwụkwọ ọha nke Amsterdam
Optical Brightening Agent, ụdị ihe eji esiji ákwà na akwụkwọ
Out of Bound Agreement, na nkwukọrịta
Output-based Aid, ụdị enyemaka iji kwado nnyefe nke ọrụ ọha na eze na mba ndị ka na-emepe emepe
Oxygen Breathing Apparatus, sistemu ikuku oxygen nke ndị agha mmiri US na-eji maka mgbanyụ ọkụ
Online Behavioural Advertising, teknụzụ na usoro dị iche iche nke ndị na-ebipụta weebụsaịtị na ndị mgbasa ozi na-eji.

Oba, Ontario bụ obodo dịpụrụ adịpụ na Ontario, Canada
Oba Island, Vanuatu
Oba-Igbomina, obodo di na Naijiria
Oba, Anambra, obodo di na Anambra Steeti, Naijiria
Osimiri Oba, osimiri na Naijiria
Orange Beach, Alabama
Oba, Indonesia - akụkụ nke mpaghara a na-achịkwa nke obodo Tidore dina na Halmahera Island.